import greenfoot.*;

/**
 * This class defines a crab. Crabs live on the beach.
 */
public class Crab extends Actor
{
    public void act()
    {
        move(3);
        turnAtEdge();
        control();
    }
public void turnAtEdge(){
    if(isAtEdge()){
        turn(60);
    }

}
public void control(){
    if(Greenfoot.isKeyDown("left")){   
    turn(-15);

}
    if(Greenfoot.isKeyDown("right")){
    turn(15);
}
}


